Raihana
December 25, 2025, 12:06pm
1
i made a memory card game a everytime i run the app, i will shows an error. like:
Problem with application
Property setter was expecting a com.googl e.appinventor.components.runtime. Button component but got a String instead.
END APPLICATION
here is my block
Your images are not clear, try uploading png so it will be easy to assess by the community experts to sort out your error. In the button click event you did wrong logic
ABG
December 25, 2025, 3:51pm
4
You need a separate list, buttonList, containing the Button components.
Each Button component block is at the end of that Button's blocks pallette in the Blocks Editor.
They are green.